Science Quiz / Biochemistry

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Can you name the definitions of the chemistry terms?

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definitions Example
When a persons pH level is below 7.0
When a molecule does not dissolve in water easily. i.e water fearing
Diffusion of water through a selectively permeable membrane from a region of higher concentration to lower concentration
What represents the effects of osmotic solutions on cells?
Solution that has a higher solute concentration relative to the cell, cell will crenate
What is the purpose of a buffer?
When a molecule is easily dissolved in water. i.e; water loving
Side effect of alkalosis
Solution has lower solute concentration relative to cell, cell will swell
What accepts a proton
The sharing of electrons between atoms
The stronger the acid....the larger the_____.
A large amount of heat is required to convert water from a liquid to a gas.
The neutral pH level
when a persons pH level is above 7.8
a negatively charged ion, more electrons than protons
what rapidly and completely dissociates in aqueous solutions?
As the hydrogen ion concentration increases....
a positively charged ion, more protons than electrons
What does not completely dissociate in water
Covalently bonded molecules that share electrons equallyH2
definitions Example
When water absorbs and releases large amounts of heat slowly before temperature changes. Ex: in order to evaporate it takes a lot of energy so it has a _________.
When a molecule contains both polar and nonpolar groupsmicelle, phospholipid
The stronger the acid.....
The capacity/ability of a solvent to reduce attractive forces between ions
Covalently bonded molecules do not share electrons equallyH20
The stronger the acid, the lower the______.
Atoms that have lost or gained electrons
What donates a proton
What type of molecule demonstrates hydrogen bonding?
a pH level of 13 is
What equation describes the dissociation characteristics of weak acids and bases and the effect oh pH?
Intracellular Fluid Compartment (ICF)
Solution has same solute concentration relative to the cell
The stronger the acid....
A weak bond formed between hydrogen atoms
Pressure required to stop the net flow of water across the membrane
Extracellular Fluid Compartment (ECF)
Ionic interactions in biological molecules
side effect of acidosis
What is the normal pH level in humans?
the acidity and alkalinity is based on the _____

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